CN221003737U - Sealing structure of bearing end cover of speed reducer - Google Patents
Sealing structure of bearing end cover of speed reducer Download PDFInfo
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- CN221003737U CN221003737U CN202322679861.4U CN202322679861U CN221003737U CN 221003737 U CN221003737 U CN 221003737U CN 202322679861 U CN202322679861 U CN 202322679861U CN 221003737 U CN221003737 U CN 221003737U
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- bearing end
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- 238000007789 sealing Methods 0.000 title claims abstract description 66
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 41
- 239000011261 inert gas Substances 0.000 claims abstract description 7
- 238000010030 laminating Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004880 explosion Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a sealing structure of a bearing end cover of a speed reducer, which comprises a bearing seat, a speed reducer bearing, a bearing end cover and a sealing structure, wherein the inner wall of the bearing seat is propped against a bearing ring; according to the utility model, through the combined use of the bearing end cover and the sealing structure, the speed reducer bearing can form a seal at high speed or low speed, and also can tightly attach the second rubber sealing ring and the third rubber sealing ring to form a seal through the expansion of inert gas in the cavity when the second rubber sealing ring and the third rubber sealing ring are worn, so that the service life is prolonged, the sealing effect is improved, oil leakage is avoided, the waste of energy sources is reduced, and the pollution to the working environment, the generation of secondary hazards such as fire and explosion and the like are avoided.
Description
Technical Field
The utility model relates to the technical field of bearing end covers of speed reducers, in particular to a sealing structure of a bearing end cover of a speed reducer.
Background
The speed reducer is generally used for low-rotation-speed and high-torque transmission equipment, a motor, an internal combustion engine or other high-speed running power is meshed with a large gear on an output shaft through a gear with small tooth number on an input shaft of the speed reducer to achieve the purpose of speed reduction, the speed reducer has the functions of matching rotation speed and transmitting torque between a prime motor and a working machine or an actuating mechanism, and the speed reducer is widely applied to modern machinery, and a bearing end cover is an indispensable part of the speed reducer.
The existing bearing end cover adopts a common sealing ring to carry out sealing treatment, when a speed reducer shaft rotates at a high speed, the sealing ring can be tightly attached to the shaft under the action of the pressure in the speed reducer, the sealing effect is good, when the rotating speed of the shaft of the speed reducer is slowly reduced or stopped, the attachment between the sealing ring and the shaft is loosened, and the sealing ring is worn when working for a long time, so that the sealing effect is poor, oil leakage occurs, the oil leakage phenomenon of the speed reducer can not only cause energy waste, but also cause working environment pollution, and secondary hazards such as fire and explosion are easy to generate.
Disclosure of utility model
In view of the foregoing, it is desirable to provide a sealing structure for a bearing end cover of a speed reducer, so as to solve or alleviate the technical problems in the prior art, and at least provide a beneficial choice.
The technical scheme of the embodiment of the utility model is realized as follows: the utility model provides a speed reducer bearing end cover seal structure, includes bearing frame, speed reducer bearing, bearing end cover and seal structure, the inner wall top of bearing frame has connect the bearing ring, one side top of bearing ring inner circle has connect the distance ring, the opposite side top of bearing ring inner circle is in on the shoulder of speed reducer bearing, bearing end cover threaded connection in on the bearing frame, the inner wall laminating of bearing end cover in the outer wall of speed reducer bearing, circular recess has been seted up to one side of bearing end cover, seal structure sets up on the bearing end cover.
In some embodiments, the sealing structure comprises a first ring body, a plurality of first rod bodies, a plurality of second rod bodies, a second ring body, a third ring body, a second rubber sealing ring, a third rubber sealing ring and a limiting ring, wherein a second annular groove is formed in the inner wall of the first ring body, and a first annular groove is formed in the outer wall of the first ring body; the third rubber sealing ring and the second ring body are attached to the first annular groove, and the third ring body and the second rubber sealing ring are attached to the second annular groove; the inner wall annular array of the second annular groove is provided with a first through hole, and the inner wall annular array of the first annular groove is provided with a second through hole; the plurality of first rod bodies and the plurality of second rod bodies are respectively arranged on the inner wall of the circular groove in an annular array manner; one end of the plurality of first rod bodies far away from the circular grooves penetrates through the corresponding first through holes and is arranged on one side of the third ring body in an annular array mode; one end of the plurality of second rod bodies, which is far away from the circular groove, passes through the corresponding second through holes and is arranged on one side of the second ring body in an annular array manner; cavities are respectively formed in the second rubber sealing ring and the third rubber sealing ring, and inert gas is filled in the cavities; the outer wall of the second rubber sealing ring is attached to the inner wall of the bearing seat, and the inner wall of the third rubber sealing ring is attached to the outer wall of the speed reducer bearing; the limiting ring is arranged on the inner wall of the first ring body, and the first ring body is attached to the circular groove.
In some embodiments, a third annular groove is formed in one side of the bearing end cover, the third annular groove is communicated with the circular groove, and the third annular groove is attached to the limiting ring.
In some embodiments, a limit groove is formed in one side annular array of the bearing seat, a limit block is arranged in one side annular array of the bearing end cover, and the inner wall of the limit groove is attached to the outer wall of the limit block.
In some embodiments, a first rubber sealing ring is embedded on one side of the bearing end cover, and the first rubber sealing ring is attached to the bearing seat.
In some embodiments, a side annular array of the bearing seat is provided with a threaded groove, a side annular array of the bearing end cover is provided with a threaded through hole, and the threaded groove and the threaded through hole are internally threaded with bolts.
By adopting the technical scheme, the embodiment of the utility model has the following advantages:
According to the utility model, through the combined use of the bearing end cover and the sealing structure, the speed reducer bearing can form a seal at high speed or low speed, and also can tightly attach the second rubber sealing ring and the third rubber sealing ring to form a seal through the expansion of inert gas in the cavity when the second rubber sealing ring and the third rubber sealing ring are worn, so that the service life is prolonged, the sealing effect is improved, oil leakage is avoided, the waste of energy sources is reduced, and the pollution to the working environment, the generation of secondary hazards such as fire and explosion and the like are avoided.
The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will become apparent by reference to the drawings and the following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is a side cross-sectional view of the view of FIG. 1 according to the present utility model;
FIG. 3 is an enlarged block diagram of the area B of FIG. 2 according to the present utility model;
fig. 4 is an enlarged view of the structure of the area C of fig. 2 according to the present utility model.
Reference numerals: 1. a bearing seat; 2. a speed reducer bearing; 3. a bearing end cap; 4. a sealing structure; 5. a bolt; 6. a bearing ring; 7. a distance ring; 8. a circular groove; 9. a first annular groove; 10. a second annular groove; 11. a cavity; 12. a first through hole; 13. a second through hole; 14. a limit groove; 15. a limiting block; 16. a third annular groove; 17. a first rubber seal ring; 18. a thread groove; 19. a threaded through hole; 40. a first ring body; 41. a first rod body; 42. a second rod body; 43. a second ring body; 44. a third ring body; 45. a second rubber seal ring; 46. a third rubber seal ring; 47. and a limiting ring.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
It should be noted that the terms "first," "second," "symmetric," "array," and the like are used merely for distinguishing between description and location descriptions, and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of features indicated. Thus, a feature defining "first," "symmetry," or the like, may explicitly or implicitly include one or more such feature; also, where certain features are not limited in number by words such as "two," "three," etc., it should be noted that the feature likewise pertains to the explicit or implicit inclusion of one or more feature quantities;
In the present invention, unless explicitly specified and limited otherwise, terms such as "mounted," "connected," "secured," and the like are to be construed broadly; for example, the connection can be fixed connection, detachable connection or integrated molding; the connection may be mechanical, direct, welded, indirect via an intermediate medium, internal communication between two elements, or interaction between two elements. The specific meaning of the terms described above in the present invention will be understood by those skilled in the art from the specification and drawings in combination with specific cases.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-4, the embodiment of the utility model provides a sealing structure of a bearing end cover of a speed reducer, which comprises a bearing seat 1, a bearing 2 of the speed reducer, a bearing end cover 3 and a sealing structure 4, wherein the inner wall of the bearing seat 1 is propped with a bearing ring 6, one side of the inner ring of the bearing ring 6 is propped with a distance ring 7, the other side of the inner ring of the bearing ring 6 is propped against a shaft shoulder of the bearing 2 of the speed reducer, the bearing end cover 3 is in threaded connection with the bearing seat 1, the inner wall of the bearing end cover 3 is attached to the outer wall of the bearing 2 of the speed reducer, one side of the bearing end cover 3 is provided with a circular groove 8, and the sealing structure 4 is arranged on the bearing end cover 3.
In this embodiment, specifically, the sealing structure 4 includes a first ring 40, a plurality of first rod bodies 41, a plurality of second rod bodies 42, a second ring 43, a third ring 44, a second rubber seal ring 45, a third rubber seal ring 46 and a limiting ring 47, where the inner wall of the first ring 40 is provided with a second annular groove 10, the outer wall of the first ring 40 is provided with a first annular groove 9, the third rubber seal ring 46 and the second ring body 43 are attached to the first annular groove 9, the third ring 44 and the second rubber seal ring 45 are attached to the second annular groove 10, the inner wall annular array of the second annular groove 10 is provided with a first through hole 12, the inner wall annular array of the first annular groove 9 is provided with a second through hole 13, the plurality of first rod bodies 41 and the plurality of second rod bodies 42 are respectively arranged on the inner wall of the circular groove 8 in an annular array, one end of the plurality of first rod bodies 41 far away from the circular groove 8 penetrates through the corresponding first through hole 12 and is arranged on one side of the third ring body 44 in an annular array manner, one end of the plurality of second rod bodies 42 far away from the circular groove 8 penetrates through the corresponding second through hole 13 and is arranged on one side of the second ring body 43 in an annular array manner, the interiors of the second rubber sealing ring 45 and the third rubber sealing ring 46 are respectively provided with a cavity 11, inert gas (not shown in the figure) is filled in the cavities 11, the outer wall of the second rubber sealing ring 45 is attached to the inner wall of the bearing seat 1, the inner wall of the third rubber sealing ring 46 is attached to the outer wall of the speed reducer bearing 2, the limiting ring 47 is arranged on the inner wall of the first ring body 40, the first ring body 40 is attached to the circular groove 8, the positions of the first ring body 40 can be limited by the limiting ring 47, the bearing end cover 3 drives the plurality of first rod bodies 41 and the plurality of second rod bodies 42 to respectively push the third ring body 44 and the second ring body 43 to extrude the third ring body 44 and the second ring body 43, so that the second rubber sealing ring 45 and the third rubber sealing ring 46 are respectively extruded, inert gas in the cavity 11 on the second rubber sealing ring 45 and the third rubber sealing ring 46 is extruded, the second rubber sealing ring 45 and the third rubber sealing ring 46 are deformed, and the tightness is enhanced.
In this embodiment, specifically, one side of the bearing end cover 3 is provided with the third annular groove 16, the third annular groove 16 is communicated with the circular groove 8, the third annular groove 16 is attached to the stop collar 47, and the third annular groove 16 is used for hiding the stop collar 47 through the above arrangement, so that the bearing end cover 3 is attached to the bearing seat 1 conveniently.
In this embodiment, specifically, the limit groove 14 is provided in one side annular array of the bearing seat 1, the limit block 15 is provided in one side annular array of the bearing end cover 3, the inner wall of the limit groove 14 is attached to the outer wall of the limit block 15, and the limit block 15 and the limit groove 14 are used for aligning and positioning the positions of the thread groove 18 and the thread through hole 19.
In this embodiment, specifically, one side of the bearing end cover 3 is embedded with a first rubber sealing ring 17, the first rubber sealing ring 17 is attached to the bearing seat 1, and the above arrangement of the first rubber sealing ring 17 is used for enhancing the tightness between the bearing end cover 3 and the bearing seat 1.
In this embodiment, specifically, a threaded groove 18 is formed in an annular array on one side of the bearing seat 1, a threaded through hole 19 is formed in an annular array on one side of the bearing end cover 3, the threaded groove 18 and the threaded through hole 19 are internally connected with a bolt 5 in a threaded manner, and the bolt 5 is rotated in the threaded groove 18 and the threaded through hole 19 through the above arrangement, so that the bearing end cover 3 is fixed on the bearing seat 1.
The utility model works when in work: the bearing end cover 3 and the sealing structure 4 are sleeved on the speed reducer bearing 2, the first ring body 40 is moved into the bearing seat 1, the limiting ring 47 is attached to the surface of the bearing seat 1, a person holding the bearing end cover 3 drives the limiting block 15 to move into the limiting groove 14 for aligning and positioning the positions of the threaded groove 18 and the threaded through hole 19, the person holding the bearing end cover 3 rotates the bolt 5 in the threaded groove 18 and the threaded through hole 19, when the bearing end cover 3 is close to the bearing seat 1, the bearing end cover 3 drives the first rod bodies 41 and the second rod bodies 42 to respectively push the third ring body 44 and the second ring body 43 after the corresponding first through hole 12 and the corresponding second through hole 13, the third ring body 44 and the second ring body 43 respectively push the second rubber seal ring 45 and the third rubber seal ring 46, and inert gas in the cavity 11 on the second rubber seal ring 45 and the third rubber seal ring 46 are extruded to deform the second rubber seal ring 45 and the third rubber seal ring 46, and the second rubber seal 46 are respectively enhanced between the second rubber seal 45 and the inner wall 1 and the outer wall of the speed reducer bearing 2.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a speed reducer bearing end cover seal structure, includes bearing frame (1), speed reducer bearing (2), bearing end cover (3) and seal structure (4), its characterized in that: bearing ring (6) has been connected in the inner wall top of bearing frame (1), one side top of bearing ring (6) inner circle has been connected with distance ring (7), the opposite side top of bearing ring (6) inner circle is in on the shaft shoulder of speed reducer bearing (2), bearing end cover (3) threaded connection in on bearing frame (1), the inner wall laminating of bearing end cover (3) in the outer wall of speed reducer bearing (2), circular recess (8) have been seted up to one side of bearing end cover (3), seal structure (4) set up on bearing end cover (3).
2. The reducer bearing end cap seal structure of claim 1, wherein: the sealing structure (4) comprises a first ring body (40), a plurality of first rod bodies (41), a plurality of second rod bodies (42), a second ring body (43), a third ring body (44), a second rubber sealing ring (45), a third rubber sealing ring (46) and a limiting ring (47), wherein,
A second annular groove (10) is formed in the inner wall of the first ring body (40), and a first annular groove (9) is formed in the outer wall of the first ring body (40);
The third rubber sealing ring (46) and the second ring body (43) are attached to the first annular groove (9), and the third ring body (44) and the second rubber sealing ring (45) are attached to the second annular groove (10);
A first through hole (12) is formed in the inner wall annular array of the second annular groove (10), and a second through hole (13) is formed in the inner wall annular array of the first annular groove (9);
the plurality of first rod bodies (41) and the plurality of second rod bodies (42) are respectively arranged on the inner wall of the circular groove (8) in an annular array manner;
One end of the plurality of first rod bodies (41) far away from the circular groove (8) penetrates through the corresponding first through holes (12) and is arranged on one side of the third ring body (44) in an annular array manner;
One end of the plurality of second rod bodies (42) far away from the circular groove (8) penetrates through the corresponding second through holes (13) and is arranged on one side of the second ring body (43) in an annular array manner;
The second rubber sealing ring (45) and the third rubber sealing ring (46) are respectively provided with a cavity (11), and inert gas is filled in the cavities (11);
The outer wall of the second rubber sealing ring (45) is attached to the inner wall of the bearing seat (1), and the inner wall of the third rubber sealing ring (46) is attached to the outer wall of the speed reducer bearing (2);
The limiting ring (47) is arranged on the inner wall of the first ring body (40), and the first ring body (40) is attached to the circular groove (8).
3. The reducer bearing end cap seal structure of claim 2, wherein: a third annular groove (16) is formed in one side of the bearing end cover (3), the third annular groove (16) is communicated with the circular groove (8), and the third annular groove (16) is attached to the limiting ring (47).
4. The reducer bearing end cap seal structure of claim 2, wherein: limiting grooves (14) are formed in one side annular array of the bearing seat (1), limiting blocks (15) are arranged in one side annular array of the bearing end cover (3), and the inner walls of the limiting grooves (14) are attached to the outer walls of the limiting blocks (15).
5. The reducer bearing end cap seal structure of claim 2, wherein: one side of the bearing end cover (3) is embedded with a first rubber sealing ring (17), and the first rubber sealing ring (17) is attached to the bearing seat (1).
6. The reducer bearing end cap seal structure of claim 2, wherein: a threaded groove (18) is formed in one side annular array of the bearing seat (1), a threaded through hole (19) is formed in one side annular array of the bearing end cover (3), and the threaded groove (18) and the threaded through hole (19) are internally connected with bolts (5) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322679861.4U CN221003737U (en) | 2023-10-07 | 2023-10-07 | Sealing structure of bearing end cover of speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322679861.4U CN221003737U (en) | 2023-10-07 | 2023-10-07 | Sealing structure of bearing end cover of speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221003737U true CN221003737U (en) | 2024-05-24 |
Family
ID=91117475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322679861.4U Active CN221003737U (en) | 2023-10-07 | 2023-10-07 | Sealing structure of bearing end cover of speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221003737U (en) |
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2023
- 2023-10-07 CN CN202322679861.4U patent/CN221003737U/en active Active
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